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Open of saved BPMN2 file fails in Eclipse
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created by <a href="https://community.jboss.org/people/jimmorris">Jim Morris</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/733464#733464">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,  I'm trying to evalute using jBPM as an embedded component for our application.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Using the 5.2 demo download I created a process in Eclipse that was originally in web designer.  Web designer was way too slow for real work.  Twice now I can't re-open the file after shutting down and restarting Eclipse (via Ant start.demo)</p><p>I validated before saving, although that shouldn't be required.  First I get a message like "unknown gateway direction".  I manually edit the XML and add gatewayDirection="Diverging" to the <bpmn2:exclusiveGateway> tag missing the direction then I get error: "Could not open the editor: Unknown model object null"</p><p>Details:</p><p>java.lang.IllegalArgumentException: Unknown model object null</p><p>    at org.drools.eclipse.flow.ruleflow.editor.editpart.RuleFlowEditPartFactory.createEditPart(RuleFlowEditPartFactory.java:94)</p><p>    at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setContents(AbstractEditPartViewer.java:626)</p><p>    at org.drools.eclipse.flow.common.editor.GenericModelEditor.initializeGraphicalViewer(GenericModelEditor.java:175)</p><p>    at org.eclipse.gef.ui.parts.GraphicalEditor.createGraphicalViewer(GraphicalEditor.java:158)</p><p>    at org.eclipse.gef.ui.parts.GraphicalEditorWithPalette.createPartControl(GraphicalEditorWithPalette.java:63)</p><p>    at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:670)</p><p>    at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)</p><p>    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)</p><p>    at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)</p><p>    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863)</p><p>    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768)</p><p>    at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760)</p><p>    at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711)</p><p>    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)</p><p>    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707)</p><p>    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691)</p><p>    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2682)</p><p>...</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any fix for this type of error.</p></div>
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